Avoid warning output from unzip

Author: cgbautista

src/d2_docker/config/dhis2-core-entrypoint.sh

@@ -49,9 +49,10 @@ wait_for_data_container_to_finish_copy() {
 setup_glowroot() {
     if [ -f $GLOWROOT_ZIP ] && [ ! -d $GLOWROOT_DIR ] ; then
         status=0
-        unzip -q "$GLOWROOT_ZIP" -d /opt/ || status=$?
+        output=$(unzip -q "$GLOWROOT_ZIP" -d /opt/ 2>&1 || status=$?)
         # Ignore RC=1 that implies only warnings and no errors (like an empty zip file)
         if [ $status -gt 1 ]; then
+            echo "$output"
             exit $status
         fi
         if [ -d $GLOWROOT_DIR ] ; then